JPH0329512Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention has at least two doors installed inside the opening in the door mounting frame of a cabinet, etc. (hereinafter referred to as an internal installation type), and the inside ends of the doors are installed inside each other. This invention relates to an internal type flat-closing double-sliding door device in which the doors are brought into a closed state in a plane by abutting against each other, and from this state the doors are brought into an open state by moving one door to the front side of the other so as to overlap with each other.

Conventional general sliding doors create a step between the doors in the door thickness direction, detracting from the aesthetics of the design, so the above-mentioned flat-close sliding doors have begun to be used more frequently, but As disclosed in No. 36427,
Let the rail protrude from the cabinet to the front side,
Since the guide groove in which the door runs is recessed in this, when the door is in the closed state, the guide groove is exposed on the front side of the door, which not only poses a problem in terms of design, but also causes problems in the lower guide. Dust, etc. will enter the groove, and due to the structure of the door, unless a gap is provided between the butt ends of the two doors, the door cannot be moved to open, resulting in stacked doors. Therefore, it is not possible to achieve a completely closed state with the door alone, and in other cases, the butting ends of both doors must be chamfered to an inclined state in order to open the door. There are various cost problems.

The present invention is an attempt to solve the above-mentioned conventional problems, and includes running bodies provided at both the upper and lower ends of the left and right doors, at both the inner and outer ends in the width direction of the door.
One upper wall door rail and one lower wall door rail are provided on the opposing surfaces of the upper and lower walls of the door mounting frame so that the respective running bodies are engaged and both doors are guided in their travels so as to be openable and closable. In the internal flat-closing sliding door device, a gap is maintained between the doors by appropriately interconnecting each of the traveling bodies and the guide portions formed in the front and rear directions of both door rails. The door can be opened into a covered state without any gaps, and the amount of opening can be increased, and the door can be completely closed without any gaps without having to cut out the ends of the doors that meet each other in an inclined state. Furthermore, the gap between the door and the upper and lower walls of the door mounting frame can be made extremely small, and when the door is closed, the door rail is covered by the door and is not exposed, resulting in an excellent design. The purpose is to make it possible to simplify the structure, make it easy to manufacture, and provide it at low cost.

Hereinafter, the present invention will be described in detail based on the illustrated embodiment. As shown in FIGS. 1 to 3, both left and right doors 1 and 2 have opposite end portions 1a in the door width direction,
2a are butted together and closed in a plane, both the upper and lower walls 3a, 3b of the door mounting frame 3 and the left and right side walls 3
c and 3d are formed to have the same size with vertical and horizontal dimensions that create almost no gap between the inner surfaces,
At the upper and lower ends, brackets 4, 4', 5, and 5' are provided at the inner ends 1a, 2a and the outer ends 1b, 2b in the width direction of the door, respectively, toward the rear of the door. It is fixed in a horizontally protruding state, and at the tip of each of the brackets 4 to 5' are running bodies 6, 6',
7 and 7' are provided symmetrically so as to protrude upward when the upper end of the door is on the side, and protrude downward when the lower end of the door is on the side.

On the other hand, the upper wall 3a and the lower wall 3b of the door mounting frame 3
On the mating inner surfaces 3a' and 3b' of each of the above-mentioned running bodies 6,
One upper wall door rail 8 and one lower wall door rail 9 are provided so that the doors 1 and 2 are guided so as to be freely openable and closable by engaging the doors 1 and 7'.

The above-mentioned both door rails 8, 9 are connected to the above-mentioned door mounting frame 3.
central straight parts 8a, 9a that are provided parallel to the opening edge 3f of the opening 3e and guide both doors 1, 2 to run in parallel; The guide portions 8b, 8b', 9b, 9b' in the front and rear direction and the straight portions 8a, 9
It is formed of longitudinal guide portions 8c, 8c', 9c, and 9c' which are located on the left and right sides of the central portion of a and extend rearward.

The guide parts 8b to 9c' are provided to prevent both doors 1 and 2 from interfering with the other door when the doors are opened and closed, so the straight parts 8a,
The effective length from 9a is at least both doors 1 and 2.
According to the illustrated example, both the guide parts 8c, 8c', 9c, 9c' on the left and right sides of the central part are provided in advance to have a thickness equal to or greater than the door thickness of the straight part 8a, 9a.
On the other hand, the guide parts 8b, 8b', 9b, 9b' at both left and right ends are arranged in a row so as to be inclined rearward and outward, but in this proposal, this is limited to the illustrated example. Of course, the straight portions 8a and 9a may be connected to each other at right angles to each other.

Also, the brackets 4, 4' and 5 of both doors 1 and 2,
5' is in the open state, and its tip portions 4a, 4a', 5
a, 5a' and base end portions 4b, 4b', 5b, 5b' are formed with steps in the vertical direction.

That is, the bracket 4 at the upper end of the door,
The tip portions 4a to 5a' of the brackets 4', 5, and 5' are higher, and the base portions 4b to 5b' are lower than that, and the brackets 4, 4', 5, and 5' at the lower ends of the doors 1 and 2 are lower. The distal ends 4a to 5a' are lower than the proximal ends 4b to 5.
b' is made high, so that when the door is opened, the bracket tip of one door overlaps the base end of the bracket of the other door without vertically hitting it. As a result, the brackets 4, 4' and 5, 5' of both doors 1, 2 can be opened without interference, and the doors 1, 2 can be opened in a completely covered state. , 2 are designed to have a large opening amount.

Here, according to the illustrated example, the door rails 8 and 9 are formed by directly providing concave grooves on the inner surfaces of the upper wall 3a and the lower wall 3b, but in addition to this, there are other grooves (not shown) that have a substantially concave shape in cross section. It can also be formed by fixing separate members to both inner surfaces of the upper wall 3a and the lower wall 3b, or a convex strip having a convex shape in cross section can be formed on both the upper and lower walls 3a.
They can be formed directly on the inner surfaces of the upper and lower walls 3a and 3b, or by fixing separate projecting strip members to the inner surfaces of both the upper and lower walls 3a and 3b.

When the groove is formed into a concave groove, the running bodies 6 to 7' are preferably formed by rollers or ball casters as shown in the illustrated example, and when the groove is formed into a convex groove, it is preferable to form the running bodies 6 to 7' with a groove. It is preferable to form the guide portions 8c on the left and right sides of the central portion.
8c', 9c, 9c', when both door rails 8, 9 are formed into convex stripes as described above, the board having two rail portions (not shown) is aligned in the longitudinal direction of the straight portions 8a, 9a. By attaching it movably in the right angle direction and moving it in the front and rear directions, a switching mechanism can be created in which the two rail parts are alternately connected to the straight parts 8a and 9a.

In addition, in FIGS. 1 and 2, 10 indicates both doors 1,
Figure 3 shows the handle provided on the front of 1.
Reference numerals 1 and 12 indicate stoppers provided on the doors 1 and 2 and the door mounting frame 3, respectively, and the stoppers 10 and 11 abut against each other to form an open door end and a closed door end.

Further, in FIG. 3, reference numeral 3g indicates a projecting edge that projects inward from the opening edge 3f of the opening 3e in the door mounting frame 3. When the projecting edge 3g is provided in this way, both doors 1, 2 This is convenient because the gap between the inner surfaces of the upper and lower walls 3a and 3b can be further reduced.

The door opening/closing operation in the above configuration will be explained based on the illustrated example.

As shown by solid lines in FIGS. 1 and 2, the left and right doors 1 and 2 are closed with their inner ends 1a and 2a facing each other, and in this closed state, the stoppers 11 and 12 The doors 1 and 2 are held in abutted state with each other, so that both doors 1 and 2 are connected in a planar manner, and in this state, the traveling bodies 6 and 7 are guided by guide portions 8c, 8c', 9c, 9c' on the left and right of the center. In addition, the running bodies 6' and 7' on the outer end side are guided by guide parts 8 on both left and right ends.
b, 8b', 9b, and 9b', and both doors 1 and 2 are located inside the door mounting frame 3 and close the opening 3e with almost no clearance from the opening edge 3f. In this closed state, the door rails 8 and 9 are covered by both doors 1 and 2 and are kept out of sight from the outside.

When opening the left door 1 from the above-mentioned closed state, first press the handle 1 provided on the inner end 1a side of the door 1.
When the door 1 is pulled forward as shown by the arrow a in FIG. , 6' as fulcrums to rotate clockwise, thereby causing the traveling bodies 6, 6 to move around the guide portions 8c, 9.
c and engages with the straight portions 8a and 9a, and the inner end 1a side of the door 1 moves forward and becomes oblique as shown by the two-dot broken line in FIG.

Next, when the door 1 is moved to the right as indicated by the arrow b in the figure, the respective traveling bodies 6' and 6 are guided by both door rails 8 and 9 and moved to the right.

At this time, the running bodies 6, 6 are on the straight parts 8a, 9a of the door rails 8, 9, but the other running bodies 6', 6' on the outside end 1b side are engaged with the inclined guide parts 8b, 9b. Initially, it starts diagonally, but as it moves to the right, it rotates counterclockwise using the running bodies 6, 6 as a fulcrum, and the running bodies 6', 6',
When 6' reaches the straight portions 8a and 9a, the door 1 becomes parallel to the opening edge 3f of the door mounting frame 3, and thereafter moves to open the door in a horizontal position, as shown in FIG.
As shown by the broken line in FIG. 3, the other door 2 is opened in a state where it is heavily mounted on the outside.

Further, the stoppers 11 and 12 are brought into contact with each other and held at the open end.

Furthermore, when the door 1 is opened, the running bodies 7 and 7' provided on the brackets 5 and 5' of the right door 2 are engaged with the guide portions 8b, 8c', 9b and 9c', respectively. , the tips 5a, 5a' of the brackets 5, 5' are located away from the straight parts 8a, 9a of both door rails 8, 9, so that when the door 1 is opened, the traveling bodies 6, 6' are prevented from traveling and The door 1 is opened in the manner described above without the movement of the brackets 4, 4' being impeded.

In the above-mentioned open position, the tips 4a, 4a' of the brackets 4, 4' on the door 1 overlap the outside of the base ends 5b, 5b' of the brackets 5, 5' provided on the right door 2, Both brackets 4, 4' and 5,
Since the doors 5' do not collide with each other, the opening amount of the door 1 increases, and both doors 1 and 2 are stacked over each other.

In addition, when closing the door 1, move the door 1 to the left from the closed state shown by the broken line in Fig. 1.
The running bodies 6, 6' are connected to the straight parts 8 of both door rails 8, 9.
When one of the traveling bodies 6', 6' reaches the guide parts 8b, 9b, the door 1 moves clockwise and moves to the stopper. 11 and 12 abut against each other to reach the closed end, but if this continues, the door 1 will be in an inclined state as shown by the two-dot broken line in FIG.

At this time, since the traveling bodies 6, 6 are at the entrances of the guide parts 8c, 9c of the straight parts 8a, 9a, then the door 1
When the inner end 1a of the door 1 is pushed inward and the door 1 is rotated counterclockwise, the traveling bodies 6, 6 engage with the guide portions 8c, 9c, and the door 1 is rotated as shown in FIGS. 1 and 2. The door is closed so that it is on the same plane as the other door 2, with the inner ends 1a and 2a abutting each other, and the straight parts 8a and 9a of both door rails 8 and 9 are The other door 2 is prepared for opening.

Moreover, since the opening and closing of the other door 2 is the same as the opening and closing of the door 1 described above, the explanation thereof will be omitted.

Also, the door opening/closing operation when the guide parts 8b, 8b', 9b, 9b' are provided perpendicularly to the straight parts 8a, 9a like the other guide parts 8c, 8c', 9c, 9c'. When the door is opened, the door 1 or 2 is pulled out parallel to the front and then moved laterally, and when the door is closed, the door 1 or 2 is pushed in parallel, and the other operations are based on the above embodiment. It is done in the same way.

As explained above, according to the internal flat closing sliding door device according to the present invention, both the left and right doors 1,
At both upper and lower ends of the door 2, running bodies 6, 6',
7, 7' are provided on the opposite surfaces of the upper and lower walls 3a, 3b of the door mounting frame 3 so that the respective traveling bodies 6 to 7' are engaged and both the doors 1, 2 are travel-guided so as to be openable and closable. In the internal flat closing sliding door device which is provided with one door rail 8 for the upper wall and one door rail 9 for the lower wall, the traveling bodies 6 to 7' are located at both the upper and lower ends of the doors 1 and 2. At the tips 4a, 4a', 5a, 5a' of the brackets 4, 4', 5, 5' extending rearward from both the inner and outer ends 1a, 1b, 2a, 2b in the door width direction. The door rail 8 for the upper wall and the door rail 9 for the lower wall are attached symmetrically so as to project in the vertical direction, respectively.
Straight portions 8a, 9a that can guide the traveling bodies 6, 6', 7, 7' in the width direction of the doors 1, 2, and both doors 1,
2 is in a planar closed state, the traveling bodies 6, 6',
Guide portions 8b, 8b', 9b, 9 are connected rearward at both ends of the linear portions 8a, 9a and on the left and right sides of the central portion, so that the guide portions 7, 7' can be moved in the front and rear directions.
b', 8c, 8c', 9c, 9c', and
The extension length of each bracket 4, 4', 5, 5' is determined by the length of each door rail 8, 9 when the door is closed.
The dimensions are such that the brackets 4, 4', 5, 5', etc. do not collide with each other when the doors 1, 2 open and close. Since the structure has a difference in height, the doors 1 and 2 can be opened in a covered state without creating a gap between them, and the amount of opening can be increased, making it convenient for loading and unloading goods. It is possible to completely close the door without any gaps without cutting the butt ends of the doors into an inclined state, and the gap between the doors 1, 2 and the inner wall surface of the door mounting frame 3 can be minimized, making it possible to close the door. In this state, the door rails 8 and 9 are covered by the doors 1 and 2 and are not exposed, so not only can the design be excellent, but also the intrusion of dust from the outside can be prevented.

Furthermore, in terms of structure, there are brackets 4 at both the upper and lower ends of the doors 1 and 2, at both the inner and outer ends in the door width direction.
- 5' are fixed, and running bodies 6 - 7' are provided thereon, and each running body 6 - 7' is attached to one upper wall door rail 8 and one upper wall door rail 8 on both the upper and lower walls of the door mounting frame 3. It can be manufactured easily by providing and engaging the door rail 9 for the lower wall, and the doors 1 and 2 can be attached by an easy operation, so that it can be provided at a low price.

[Brief explanation of the drawing]

Fig. 1 is a vertical cross-sectional plan view showing an internal flat-close sliding door device according to the present invention, Fig. 2 is a cross-sectional top view of the same door device, and Fig. 3 is a -
FIG. 1, 2...door, 1a, 2a...inner edge of door, 1b, 2b...outer edge of door, 3...door mounting frame, 3a...upper wall, 3b...lower wall, 4, 4',
5, 5'...Bracket, 4a, 4a', 5a, 5
a'... Tip part, 4b, 4b', 5b, 5b'... Base end part, 6, 6', 7, 7'... Traveling body, 8... Door rail for upper wall, 9... For lower wall Door rail, 8a, 9
a... Straight line part, 8b, 8b', 9b, 9b', 8c,
8c', 9c, 9c'... Guide parts for both door rails.

Claims (1)

[Scope of utility model registration request] Two running bodies 6, 6', 7, 7' provided at the inner and outer ends 1a, 1b, 2a, 2b of both the left and right doors 1, 2 in the door width direction, and the respective running bodies 6, 6'. , 7, 7' are engaged with each other so that both doors 1, 2 can be guided to open and close freely. In the internally mounted plane closing double sliding door device comprising a door rail 9 for the lower wall, each of the above-mentioned running bodies 6, 6', 7, 7' is located at both the upper and lower ends of the above-mentioned doors. Both inner and outer ends 1 in the door width direction
Tips 4a, 4 of respective brackets 4, 4', 5, 5' extending rearward from a, 1b, 2a, 2b
a', 5a, 5a' are attached symmetrically so as to project in the vertical direction, respectively, and the door rail 8 for the upper wall and the door rail 9 for the lower wall are attached to the respective traveling bodies 6, 6', 7, 7. ′ in the width direction of the doors 1 and 2, and the traveling bodies 6, 6′, 7, and 7′ are moved in the front-rear direction with both the doors 1 and 2 closed in a plane. The straight portions 8a, 9 can be freely moved.
Guide parts 8b, 8b', 9b, 9b', 8c, 8 connected rearward at both ends of a and the left and right sides of the center part.
c', 9c, 9c', and when the door is closed, each of the door rails 8, 9 corresponds to the extension length of each bracket 4, 4', 5, 5'.
It is dimensioned so that it can be closed by
4', 5, 5'... is constructed with a difference in height between the top and bottom so that they do not collide with each other.